X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=doc%2FREADME.generic_usb_ohci;h=767614cbc6d352c9ca8bf13aa41fba0135ee46af;hb=65cc0e2a65d2c9f107b2f42db6396d9ade6c5ad8;hp=494dd1f5d92bfa404d47671ae27f6525394f2698;hpb=19909edb97140a5ea3139705589bb90e023ab5e1;p=platform%2Fkernel%2Fu-boot.git diff --git a/doc/README.generic_usb_ohci b/doc/README.generic_usb_ohci index 494dd1f..767614cb 100644 --- a/doc/README.generic_usb_ohci +++ b/doc/README.generic_usb_ohci @@ -1,7 +1,7 @@ Notes on the the generic USB-OHCI driver ======================================== -This driver (drivers/usb_ohci.[ch]) is the result of the merge of +This driver (drivers/usb/usb_ohci.[ch]) is the result of the merge of various existing OHCI drivers that were basically identical beside cpu/board dependant initalization. This initalization has been moved into cpu/board directories and are called via the hooks below. @@ -11,47 +11,19 @@ Configuration options CONFIG_USB_OHCI_NEW: enable the new OHCI driver - CFG_USB_OHCI_BOARD_INIT: call the board dependant hooks: - - - extern int usb_board_init(void); - - extern int usb_board_stop(void); - - extern int usb_cpu_init_fail(void); - - CFG_USB_OHCI_CPU_INIT: call the cpu dependant hooks: - - - extern int usb_cpu_init(void); - - extern int usb_cpu_stop(void); - - extern int usb_cpu_init_fail(void); - - CFG_USB_OHCI_REGS_BASE: defines the base address of the OHCI + CFG_SYS_USB_OHCI_REGS_BASE: defines the base address of the OHCI registers - CFG_USB_OHCI_SLOT_NAME: slot name - - CFG_USB_OHCI_MAX_ROOT_PORTS: maximal number of ports of the - root hub. - + CONFIG_SYS_USB_OHCI_SLOT_NAME: slot name Endianness issues ------------------ The USB bus operates in little endian, but unfortunately there are -OHCI controllers that operate in big endian such as ppc4xx and -mpc5xxx. For these the config option +OHCI controllers that operate in big endian such as ppc4xx. For these the +config option - CFG_OHCI_BE_CONTROLLER + CONFIG_SYS_OHCI_BE_CONTROLLER needs to be defined. - -PCI Controllers ----------------- - -You'll need to define - - CONFIG_PCI_OHCI - -PCI Controllers need to do byte swapping on register accesses, so they -should to define: - - CFG_OHCI_SWAP_REG_ACCESS